The Sapling
Design creatures and plants, release them into one world, and watch what evolution does with your creations.
88% of 1,974 Steam reviews are positivePlayers online now: 53$17.99
Games like Ecosystem
Looking for that same replayable and relaxing spark as Ecosystem? You will find a few strong contenders among these games.
The Sapling
Design your own plants, algae, fungi and animals, then set them loose in a world together. Add random mutations and watch evolution fill every niche, or shape the planet yourself, ice ages included. A calm, creative ecosystem toy from solo developer Wessel Stoop.
Replayable, Relaxing
88% of 1,974 Steam reviews are positivePlayers online now: 53$17.99Species: Artificial Life, Real Evolution
Play with evolution! Species: ALRE is a scientifically-grounded, emergent simulation of natural selection. Creatures evolve and speciate in response to in-game mutation and selection forces, allowing you to experience and tinker with evolution in real-time.
Replayable, Relaxing
73% of 975 Steam reviews are positivePlayers online now: 1$19.99Creatura
Seed, Breed, Create. From single cell organisms to complex ecosystems. Evolve every part of your own unique aquarium / terrarium by applying scientifically accurate principles of natural and artificial selection, in Creatura - ultimate Virtual Evolution Vivarium Simulator.
Replayable, Relaxing
67% of 219 Steam reviews are positivePlayers online now: 1$14.99Planetary Life
Shape a dead planet into a living world. Move mountains and seas, tune the climate, then seed cells and watch them evolve into plants, animals and strange chimera of your making. Guide every step or sit back and see what 50,000 years cook up. A calm, colorful sandbox for anyone who ever wanted to play at being a very patient god.
Replayable, Relaxing
94% of 948 Steam reviews are positivePlayers online now: 17$11.99Intelligent Design: An Evolutionary Sandbox
Polygons eating polygons eating polygons. An evolution sandbox where the genetics really are simulated. Seed a world, walk away, and come back to species neither of us designed. Watch populations boom, bust and go extinct. Best left on a second monitor.
Replayable, Relaxing
53% of 98 Steam reviews are positive$0.76Evolution
Evolution is a real time simulation of the evolutionary process. Creatures have DNA that defines their structure, traits, how they see the world around them, and how they react to it. Each creature is unique, most die quickly, some die a little slower, and others survive (some just like rocks, they usually die too).
Replayable
48% of 111 Steam reviews are positiveFreeEquilinox
Equilinox is a relaxing nature game where you build your own ecosystems from scratch. Place plants and animals, keep every species happy, and spend earned points on genetic tweaks that turn ordinary sheep into bouncing rainbow oddities. Gentle music, low-poly cuteness, and a world that grows at your pace.
Replayable, Relaxing, Atmospheric
93% of 2,608 Steam reviews are positivePlayers online now: 5$9.99Gridworld
Gridworld is an artificial life and evolution simulator. Watch creatures evolve through natural selection as they learn to find food, avoid danger, and compete with other creatures for survival.
Replayable, Relaxing
85% of 238 Steam reviews are positivePlayers online now: 1$1.99The Bibites: Digital Life
Digital life that actually evolves. Bibites are tiny creatures with neural network brains and genes of their own: set up a world, let natural selection do its thing, and watch new species, predators and parasites emerge. Or skip evolution and engineer your own lifeform. An aquarium, a science lab and a god game in one.
Replayable, Relaxing
96% of 227 Steam reviews are positivePlayers online now: 30$9.99ANLIFE: Motion-Learning Life Evolution
A relaxing evolution simulation where AI-driven block creatures move in unexpected ways. There are no complex ecosystems—just pure movement learning through a physics engine. Watch as these creatures scurry, stumble, and evolve in their own unique, unpredictable ways.
Replayable, Relaxing
83% of 168 Steam reviews are positivePlayers online now: 3$13.99Thrive
Start as the first spark of life on an alien planet and steer your species across billions of years. Build your microbe from real organelles, hunt or photosynthesise your way to survival, and watch rival species evolve against you. A calm, science-driven evolution sandbox where every run plays out differently.
Replayable, Relaxing
92% of 1,726 Steam reviews are positivePlayers online now: 21$4.99Vilmonic
Vilmonic is an artificial life simulator and genetics and evolution sandbox game. Protect and breed unique pixel-art life forms where pixels and color have meaning. Craft tools and buildings and change the environment. Find ancient tech and fend off haywire zombitons. Craft Farm Breed Evolve!
Replayable, Relaxing
71% of 68 Steam reviews are positive$14.99
Cheaper than Ecosystem
Creatura
Seed, Breed, Create. From single cell organisms to complex ecosystems.
67% of 219 Steam reviews are positivePlayers online now: 1$14.99
Planetary Life
Terraform a barren world, tune its climate and watch the life you seed evolve across millennia, all at your own unhurried pace.
94% of 948 Steam reviews are positivePlayers online now: 17$11.99
Intelligent Design: An Evolutionary Sandbox
Polygons eating polygons eating polygons. An evolution sandbox where the genetics really are simulated.
53% of 98 Steam reviews are positive$0.76
Equilinox
Fill a low-poly landscape with plants and animals, balance each ecosystem, and unlock genetic quirks that make your creatures wonderfully strange.
93% of 2,608 Steam reviews are positivePlayers online now: 5$9.99
The Bibites: Digital Life
Digital life that actually evolves. Bibites are tiny creatures with neural network brains and genes of their own: set up a world, let natural…
96% of 227 Steam reviews are positivePlayers online now: 30$9.99
Gridworld
Gridworld is an artificial life and evolution simulator. Watch creatures evolve through natural selection as they learn to find food, avoid danger…
85% of 238 Steam reviews are positivePlayers online now: 1$1.99
Thrive
Grow a microbe into a species, choosing every adaptation as your alien world changes around you.
92% of 1,726 Steam reviews are positivePlayers online now: 21$4.99
ANLIFE: Motion-Learning Life Evolution
A relaxing evolution simulation where AI-driven block creatures move in unexpected ways.
83% of 168 Steam reviews are positivePlayers online now: 3$13.99
Vilmonic
Vilmonic is an artificial life simulator and genetics and evolution sandbox game.
71% of 68 Steam reviews are positive$14.99
DinoSystem
A living prehistoric ecosystem that does not revolve around you.
92% of 252 Steam reviews are positive$7.99
EvoLife
Create and evolve your own digital lifeforms! Watch or interact as your creations adapt and thrive in a world governed by the laws of physics.
83% of 30 Steam reviews are positive$9.99
Hidden gems like Ecosystem
Planetary Life
Terraform a barren world, tune its climate and watch the life you seed evolve across millennia, all at your own unhurried pace.
94% of 948 Steam reviews are positivePlayers online now: 17$11.99
Primordialis
Design a living creature from cells and send it into the deep, where every run rebuilds it from scratch.
93% of 1,023 Steam reviews are positivePlayers online now: 42$19.99
The Bibites: Digital Life
Digital life that actually evolves. Bibites are tiny creatures with neural network brains and genes of their own: set up a world, let natural…
96% of 227 Steam reviews are positivePlayers online now: 30$9.99
Terra Firma
Play god and create your own world in this complex simulation.
93% of 607 Steam reviews are positivePlayers online now: 3Free
Strange Seed
Eat DNA, grow new body parts and fight your way from forests to volcanoes as the build you design.
85% of 456 Steam reviews are positivePlayers online now: 15$14.99
ANLIFE: Motion-Learning Life Evolution
A relaxing evolution simulation where AI-driven block creatures move in unexpected ways.
83% of 168 Steam reviews are positivePlayers online now: 3$13.99
Nature & Life - Drunk On Nectar
Play as Animals, Live in Nature! Multiple game modes include Realistic Lifecycles, Survival, Sandbox, Fantasy and Exploration.
87% of 269 Steam reviews are positive$14.99
Life Below
Found an underwater colony, gather resources, craft and keep your settlement thriving in a colorful, relaxing story about healing a dying sea.
80% of 165 Steam reviews are positivePlayers online now: 4$29.99
Fish Game
Design, stock and care for living freshwater tanks, from tiny betta setups to a 3000 gallon monster.
92% of 606 Steam reviews are positivePlayers online now: 11$24.99
Crab God
Crab God is an atmospheric underwater strategy game. Guide your Crabling colony through wild ocean depths, and defend the egg of the next Crab…
80% of 282 Steam reviews are positive$19.99
Sipho
Sipho is an action survival game with an intricate building system. Grow your own creature and take over the local ecosystem.
83% of 342 Steam reviews are positivePlayers online now: 2$17.99
Creature Crafter
Design creatures from body parts, watch them come to life, and explore open worlds with friends.
86% of 746 Steam reviews are positivePlayers online now: 11$7.99
Newest games like Ecosystem
BioEden
As a Keeper sent by the Cosmic Collective, you turn a barren planet into BioEden: recycle debris, wire up solar power and water, clean rivers and…
73% of 114 Steam reviews are positivePlayers online now: 7$21.99
FishPond
Build a living pond where every fish has a unique genetic code.
83% of 6 Steam reviews are positive$3.99
Life Below
Found an underwater colony, gather resources, craft and keep your settlement thriving in a colorful, relaxing story about healing a dying sea.
80% of 165 Steam reviews are positivePlayers online now: 4$29.99
Everything is Crab: The Animal Evolution Roguelite
Eat, grow and stitch together absurd animal abilities into a new chimera every run, in a fast and funny pixel ecosystem that keeps you on your toes.
77% of 7,140 Steam reviews are positivePlayers online now: 238$9.99
Plentiful
Plentiful is a nature sandbox. You shape the land and everything responds—water, plants, animals, and your people. Learn how this world works.
90% of 87 Steam reviews are positivePlayers online now: 2$7.99
ANLIFE: Motion-Learning Life Evolution
A relaxing evolution simulation where AI-driven block creatures move in unexpected ways.
83% of 168 Steam reviews are positivePlayers online now: 3$13.99
Eon of Life
Eon of Life is a game in which you guide the evolution of a creature for as many million years as you can survive!
82% of 11 Steam reviews are positive$1.99
Strange Seed
Eat DNA, grow new body parts and fight your way from forests to volcanoes as the build you design.
85% of 456 Steam reviews are positivePlayers online now: 15$14.99
Planetary Life
Terraform a barren world, tune its climate and watch the life you seed evolve across millennia, all at your own unhurried pace.
94% of 948 Steam reviews are positivePlayers online now: 17$11.99
Deep Blue: Devour and Evolve
Play as different fish, devour opponents in the ruthless underwater world of survival of the fittest, and evolve your abilities.
83% of 102 Steam reviews are positivePlayers online now: 3$8.99
Primordialis
Design a living creature from cells and send it into the deep, where every run rebuilds it from scratch.
93% of 1,023 Steam reviews are positivePlayers online now: 42$19.99
Infinite Blue
Discover an immersive ocean Eco-Sim where you can be almost any animal under the sea!
64% of 373 Steam reviews are positiveFree